public SelectRectangleViewModel()
{
MouseLeftDownPoint = new ReactivePropertySlim <RoixBorderPoint>(mode: ReactivePropertyMode.None);
MouseLeftUpPoint = new ReactivePropertySlim <RoixBorderPoint>(mode: ReactivePropertyMode.None);
MouseMovePoint = new ReactivePropertySlim <RoixBorderPoint>();
ViewBorderSize = new ReactivePropertySlim <RoixSize>(mode: ReactivePropertyMode.DistinctUntilChanged);
SelectedRectangleToModel = new ReactivePropertySlim <RoixIntRect>();
var imageSourceSize = MyImage.ToRoixIntSize();
// 画像座標系の選択枠(これを基準に管理する) マウス操作中に枠を更新 + 操作完了時に枠位置を通知する
var selectedRectangleOnImage = MouseMovePoint
.Select(latestPoint => (startPoint: MouseLeftDownPoint.Value, latestPoint))
.Where(x => x.startPoint != x.latestPoint)
.SkipUntil(MouseLeftDownPoint.ToUnit())
.TakeUntil(MouseLeftUpPoint.ToUnit())
.Finally(() =>
{
var(startPoint, latestPoint) = (MouseLeftDownPoint.Value, MouseLeftUpPoint.Value);
if (startPoint == default || latestPoint == default || startPoint == latestPoint)
{
return;
}
SelectedRectangleToModel.Value = RoixBorderIntRect.Create(startPoint, latestPoint, imageSourceSize).Roi;
})
.Repeat()
.Select(x => RoixBorderIntRect.Create(x.startPoint, x.latestPoint, imageSourceSize))
.ToReadOnlyReactivePropertySlim();
// View座標系の選択枠
SelectedRectangle = selectedRectangleOnImage
.CombineLatest(ViewBorderSize, (rect, border) => rect.ConvertToNewBorder(border).Roi)
.ToReadOnlyReactivePropertySlim();
}
public SelectFixRectViewModel()
{
MouseLeftDownPoint = new ReactivePropertySlim <RoixBorderPoint>(mode: ReactivePropertyMode.None);
MouseMovePoint = new ReactivePropertySlim <RoixBorderPoint>();
ViewBorderSize = new ReactivePropertySlim <RoixSize>(mode: ReactivePropertyMode.DistinctUntilChanged);
var imageSourceSize = MyImage.ToRoixIntSize();
// 画像座標系の固定サイズ枠(これを基準に管理する) 右クリックで固定サイズの枠を描画する
var clickedFixedRectangleOnImage = MouseLeftDownPoint
.Where(border => border.Border.IsNotZero)
.Select(borderPointOnView =>
{
var length = 100;
var rectBorderSize = new RoixIntSize(length).ToRoixBorder(imageSourceSize);
var rectHalfSize = rectBorderSize.Size / 2d;
var newCenterPoint = borderPointOnView.ConvertToNewBorderInt(imageSourceSize);
var newRect = new RoixBorderIntRect(newCenterPoint - (RoixIntVector)rectHalfSize, rectBorderSize);
return(newRect.GetClippedBorderIntRect(isPointPriority: false));
})
.ToReadOnlyReactivePropertySlim();
// Model通知
ClickedFixedRectangleToModel = clickedFixedRectangleOnImage
.Where(border => border.Border.IsNotZero)
.Select(borderRectOnView => borderRectOnView.Roi)
.ToReadOnlyReactivePropertySlim();
// View座標系の選択枠
ClickedFixedRectangle = clickedFixedRectangleOnImage
.CombineLatest(ViewBorderSize, (rect, border) => rect.ConvertToNewBorder(border).Roi)
.ToReadOnlyReactivePropertySlim();
}